

.service {
  padding: 0 15px;
}

.s_b_switch {
  margin-top: 20px;
  width: 100%;
  height: 40px;
  background-color: aqua;
  color: #708090;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 4px;
  border-width: 0;
}

.service_btn {
  color: blue;
  background-color: burlywood;
}

.service .des {
  margin-top: 30px;
  color: darkgray;
  line-height: 18px;
  font-size: 12px;
}



.tab_bar {
  display: flex;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #f6f6f6;
  box-shadow: 0px -2px 1px rgba(100,100,100,0.2);
}

.tab_bar a {
  text-decoration: none;
}

.tab_bar .tab_bar_item {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 49px;
  font-size: 14px;
  color: #000;
}